Injection mold with replaceable mold core

Abstract

The utility model discloses an injection mold with a replaceable mold core, which comprises a first mold, a plurality of corners of the rear side surface of the first mold are transversely and fixedly connected with mounting rods, and the outer surfaces of the plurality of mounting rods are transversely and slidably connected with a second mold and a third mold from front to back. According to the injection mold with the replaceable mold core, the mold core inserting grooves are formed in the surfaces of one sides of the first mold body and the second mold body of the mold structure, and when the mold core is installed, inserting holes in the mold core and inserting rods in the mold core inserting grooves are aligned and then inserted into the mold core inserting grooves till the inner end of the mold core is tightly attached to the inner surfaces of the mold core inserting grooves; the mold core mounting structure is convenient and rapid to use in actual use, the mold core mounting structure can be directly mounted and dismounted on equipment, the whole mold does not need to be dismounted, and the working efficiency of injection molding machining is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of injection mold of mould core replaceable. BACKGROUND

[0002] Injection molding is also called injection molding, it is a kind of injection molding method of molding. The advantages of injection molding method are high production speed, high efficiency, operation can realize automation, color variety, shape can be from simple to complex, size can be from big to small, and product size is accurate, product is easy to update, can form complex parts, injection molding is suitable for mass production and complex product forming processing field.

[0003] Injection products can be divided into small batch production and mass production, the characteristics of small batch production is less, delivery period is extremely short, so mold cannot be like traditional mold product one, current market mode is mostly a set of mold frame is matched with multiple mold cores, namely one mold frame multiple mold cores multiple products, but the replaceable mold core of current mold is often more complex in replacement structure, and the mold is integrally detached from equipment to be replaced, it is more inconvenient. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of injection mold of mould core replaceable, solve the problem that the replaceable mold core of current mold is often more complex in replacement structure, and the mold is integrally detached from equipment to be replaced, it is more inconvenient.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of injection mold of mould core replaceable, including first mold, the multiple corners of the rear side surface of first mold are all fixedly connected with installation rod transversely, the outer surface of multiple installation rods is slidably connected with second mold and third mold from front to back transversely;

[0006] The surface of the opposite side of the first mold and the second mold is all transversely provided with mold core slot, one end of two mold core slots is respectively penetrated to the same side surface of the first mold and the second mold, the inner end of two mold core slots is all fixedly connected with the plug-in rod transversely, the other end of two plug-in rods is all fixedly connected with the thread column coaxial with it, the inner portion of two mold core slots is respectively detachably installed with female die core and male die core;

[0007] The surface of one side of the female die core and the male die core is all transversely penetrated and provided with plug-in hole suitable for the plug-in rod, the female die core and the male die core are detachably installed in the inner portion of two mold core slots respectively through two plug-in holes and nut.

[0008] Further, the two interior surfaces of the mold core slot are respectively provided with a plurality of guide slots along the length direction thereof, and the outer surfaces of the female mold core and the male mold core are respectively fixedly connected with a plurality of guide bars corresponding to the guide slots.

[0009] Further, the front surface of the first mold is transversely provided with a plurality of feeding holes communicating with the interior of the mold core slot, and the front surface of the female mold core is transversely provided with a plurality of mold material holes corresponding to the feeding holes.

[0010] Further, the front surface of the third mold is transversely fixedly connected with a plurality of ejection columns.

[0011] Further, the rear surfaces of the second mold and the male mold core are both transversely provided with a plurality of mold holes corresponding to the ejection columns.

[0012] Further, when the female mold core is installed in the interior of the first mold, the feeding holes and the mold material holes are respectively aligned with each other.

[0013] Compared with the prior art, the beneficial effects of the present application are as follows: the mold core replaceable injection mold is provided with a mold core slot on one surface of the first mold and the second mold, the plug-in hole on the mold core is aligned with the plug-in rod in the mold core slot, and then the mold core is inserted until the inner end of the mold core is tightly combined with the inner surface of the mold core slot, and then the nut is installed on the surface of the threaded column and is tightened, which is convenient and fast in actual use, and the installation and dismounting can be directly performed on the equipment without the need of dismounting the mold as a whole, thereby improving the working efficiency of the injection molding. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0015] Figure 2 It is a schematic diagram of the structure of the mold core slot in the present application;

[0016] Figure 3 It is a schematic diagram of the installation structure of the first mold and the female mold core in the present application.

[0017] In the figure: 1-first mold, 2-installation rod, 3-second mold, 4-third mold, 5-mold core slot, 6-guide slot, 7-plug-in rod, 8-threaded column, 9-female mold core, 10-male mold core, 11-guide bar, 12-feeding hole, 13-ejection column. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0019] Please refer to Figures 1-2 The utility model provides a kind of technical scheme: a kind of injection mold of replaceable mould core, including first mould 1, the multiple corners of multiple corners of the rear surface of first mould 1 are all transversely fixedly connected with mounting rod 2, the outer surface of multiple mounting rods 2 is slidably connected with second mould 3 and third mould 4 from front to back transversely;

[0020] The surface of the opposite side of first mould 1 and second mould 3 is all transversely provided with mould core slot 5, one end of two mould core slots 5 is respectively penetrated to the same side surface of first mould 1 and second mould 3, the inner end of two mould core slots 5 is all transversely fixedly connected with inserting rod 7, the other end of two inserting rods 7 is all fixedly connected with the threaded column 8 coaxial with it, the inner portion of two mould core slots 5 is respectively detachably installed with female die core 9 and male die core 10;

[0021] The side surface of female die core 9 and male die core 10 is all transversely penetrated and provided with inserting hole compatible with inserting rod 7, female die core 9 and male die core 10 are detachably installed in the inner portion of two mould core slots 5 respectively through two inserting holes and nut.

[0022] The side surface of the first mould 1 and the second mould 3 of the mold structure is all provided with mould core slot 5, when installing the mould core, the inserting hole on the mould core is aligned with the inserting rod 7 in the mould core slot 5, and then the nut is installed on the surface of the threaded column 8 and tightened, which is convenient and fast in actual use, and can be directly installed and removed on the equipment without disassembling the mold as a whole, improving the working efficiency of injection molding.

[0023] The inner surface of two mould core slots 5 is respectively provided with multiple guide slots 6 along the length direction thereof, and the outer surface of female die core 9 and male die core 10 is respectively fixedly connected with multiple guide insertion strips 11 corresponding to and compatible with multiple guide slots 6 along the length direction thereof.

[0024] When the mould core structure is inserted into the inner portion of the mould core slot 5, the multiple guide insertion strips 11 of the mould core structure also need to be aligned with the multiple guide slots 6, and the stability of the mould core structure after being inserted into the inner portion of the mould core slot can be improved through the structure, ensuring the stability of the mold processing product.

[0025] The front surface of the first mold 1 is transversely provided with feed holes 12 which are communicated with the inside of the mold core slot 5, and the front surface of the concave mold core 9 is transversely provided with a plurality of mold material holes which are respectively corresponding to and matched with the plurality of feed holes 12.

[0026] When the concave mold core 9 is installed in the inside of the first mold 1, the plurality of feed holes 12 and the plurality of mold material holes are respectively aligned with each other.

[0027] In actual use of the mold, plastic raw materials are extruded into the plurality of feed holes 12 by an injection molding machine, and then the plastic raw materials can enter the gap between the concave mold core 9 and the convex mold core 10 through the plurality of mold material holes.

[0028] The front surface of the third mold 4 is transversely fixedly connected with a plurality of ejection columns 13.

[0029] The rear surface of the second mold 3 and the convex mold core 10 are both transversely provided with mold holes which are corresponding to and matched with the plurality of ejection columns 13.

[0030] The ejection columns 13 are used to eject the molded products. After the products are molded, the first mold 1 and the second mold 3 are separated, the third mold 4 moves forward, the plurality of ejection columns 13 synchronously move forward, and then the front ends of the plurality of ejection columns 13 can be extended through the plurality of mold holes to eject the molded products and make them separate from the mold.

[0031] In use of the device, the side surface of the first mold 1 and the second mold 3 of the mold structure are both provided with the mold core slot 5. When the mold core is installed, the plug-in hole on the mold core is aligned with the plug-in rod 7 in the mold core slot 5 and is inserted until the inner end of the mold core is tightly combined with the inner surface of the mold core slot 5, and then the nut is installed on the surface of the threaded column 8 and is tightened. Such a mold core installation structure is relatively convenient and fast in actual use, and the installation and disassembly can be directly performed on the equipment without the need of disassembling the whole mold, thereby improving the working efficiency of the injection molding.

[0032] It should be noted that, in the present text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms “include”, “contain” or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements which are not explicitly listed or inherent to such process, method, article or equipment.

[0033] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A replaceable core injection mold characterized by: Including first mold (1), the multiple corners of rear side surface of first mold (1) are all transversely fixedly connected with installation rod (2), the outer surface of multiple installation rod (2) is slidably connected with second mold (3) and third mold (4) from front to back transversely; The surface of the opposite side of the first mold (1) and the second mold (3) is transversely provided with a mold core slot (5), one end of the two mold core slots (5) is respectively through to the same side surface of the first mold (1) and the second mold (3), the inner end of the two mold core slots (5) is transversely fixedly connected with the plug-in rod (7), the other end of the two plug-in rods (7) is fixedly connected with the threaded column (8) coaxial with it, the inner part of the two mold core slots (5) is respectively detachably mounted with a female die core (9) and a male die core (10); The side surface of the female die core (9) and the male die core (10) is transversely provided with a plug-in hole matched with the plug-in rod (7), and the female die core (9) and the male die core (10) are detachably mounted in the two mold core slots (5) through the two plug-in holes and the nuts.

2. The replaceable core injection mold of claim 1, wherein: The inner surface of the two mold core slots (5) is respectively provided with a plurality of guide slots (6) along the length direction thereof, and the outer surface of the female die core (9) and the male die core (10) is fixedly connected with a plurality of guide insertion strips (11) corresponding to the plurality of guide slots (6) respectively and matched with the plurality of guide slots (6) respectively along the length direction thereof.

3. The replaceable core injection mold of claim 1, wherein: The front side surface of the first mold (1) is transversely provided with a feeding hole (12) communicated to the inside of the mold core slot (5), and the front side surface of the female die core (9) is transversely provided with a plurality of mold material holes corresponding to the plurality of feeding holes (12) respectively and matched with the plurality of feeding holes (12) respectively.

4. The replaceable core injection mold of claim 1, wherein: The front side surface of the third mold (4) is transversely fixedly connected with a plurality of material ejection columns (13).

5. A replaceable core injection mold according to claim 4, wherein: The rear side surface of the second mold (3) and the male die core (10) is transversely provided with a plurality of mold holes corresponding to the plurality of material ejection columns (13) and matched with the plurality of material ejection columns (13).

6. The replaceable core injection mold of claim 3, wherein: When the female die core (9) is mounted in the first mold (1), the plurality of feeding holes (12) and the plurality of mold material holes are aligned with each other respectively.

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